Mark V Larson, MD - Medicare Gastroenterology in Rochester, MN

Mark V Larson, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Rochester, Minnesota. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1982 and has 42 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mayo Clinic and his current practice location is 200 1st St Sw, Rochester, Minnesota. You can reach out to his office (for appointments etc.) via phone at (507) 284-2511.

Mark V Larson is licensed to practice in Minnesota (license number 28083) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1316910300.

Contact Information

Mark V Larson, MD
200 1st St Sw,
Rochester, MN 55905-0001
(507) 284-2511
Not Available

Map and Direction




Physician's Profile

Full NameMark V Larson
GenderMale
SpecialityGastroenterology
Experience42 Years
Location200 1st St Sw, Rochester, Minnesota
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark V Larson attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1982
  NPI Data:
  • NPI Number: 1316910300
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 08/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9335176338
  • Enrollment ID: I20050721000302

Medical Identifiers

Medical identifiers for Mark V Larson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316910300NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 28083 (Minnesota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mayo Clinic Hospital RochesterRochester, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mayo Clinic65077782554266

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark V Larson allows following entities to bill medicare on his behalf.
Entity NameMayo Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922074434
PECOS PAC ID: 6507778255
Enrollment ID: O20031103000285

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark V Larson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark V Larson, MD
200 1st St Sw,
Rochester, MN 55905-0001

Ph: (507) 284-2511
Mark V Larson, MD
200 1st St Sw,
Rochester, MN 55905-0001

Ph: (507) 284-2511

Reviews and Comments


Internal Medicine Doctors in Rochester, MN

Emily Leasure, MD
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Practice Location: 200 1st St Sw, Rochester, MN 55905
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Jorge A Velosa, MD
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Practice Location: 200 1st St Sw, Rochester, MN 55905
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Samuel Y. Han, M.D.
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Michael Ruediger Mueller,
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Mr. Karun Singh Badwal, D.O.
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Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Michal Reid, M.D.
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Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Mohammad Alhousani, MD
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Medicare: Medicare Enrolled
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.